baber/WOPTO huggingface dataset:
Patent KR-20090014798-A (KR)
Title: Infrared ray spectroscopy analyzer for in-situ diagnostics of the process
Inventor: KANG SANG WOO
IPC: G01N21/00
Filed: 2007-08-07
Abstract: An infrared spectrometer capable of performing real-time process diagnosis is provided to perform spectrum analysis in a vacuum state using infrared rays to correctly measure beam intensity to thereby improve measurement sensitivity. An infrared spectrometer capable of real-time process diagnosis includes an incident window(11), a receiving part(12), a projecting window(13), a reactor(10), a detector(20), and an analyzer(30). A beam is inputted to the incident window. The receiving part receives the incident beam. The projecting window projects a beam obtained when the incident beam is refracted and scattered according to reaction by-product or reactant. The reactor includes a reflecting mirror(14) and has a vacuum state. The reflecting mirror reflects the beam inputted to the incident window such that the beam reciprocates in the receiving part at least once and is projected through the projecting window. The detector detects the beam projected from the reactor. The analyzer performs quantitative and qualitative analysis of a sample by using the intensity of the detected beam.
Patent KR-20070088429-A (KR)
Title: Do-it-yourself cup supporty
Inventor: BAEK EUN JU
IPC: A47G23/00
Filed: 2007-08-09
Abstract: A DIY(Do-It-Yourself) cup support is provided to improve the exterior shape by making an outer member of a silk fabric and to increase buffering power against shock and to prevent a slip due to surface friction by making an inner member of sponge or cotton with a cushion function. A DIY cup support(1) formed with the shape of a disc to prop up a cup is composed of an outer member(2) made of a silk fabric having a pattern part(3) formed by embroidery; an inner member(4) made of a sponge material having cushioning power, and covered with the outer member and embedded inside; and a sewing line backstitched along the edge of the outer member where the inner member is inserted.
Patent KR-20080111372-A (KR)
Title: Air conditioning system's air chamber for air separation
Inventor: CHOI SANG SIK
IPC: F24F13/068
Filed: 2007-08-20
Abstract: A branching air chamber is provided to reduce the entire height of a building by branching suction and exhaust ducts of an intersection positions without overlapping therebetween. A branching air chamber is mounted between separately mounted suction and exhaust ducts and a ventilation system, and includes a main air supply path(4) formed with a first inlet(41) and a second outlet, a main ventilation path(6) connected to the exhaust duct and having a third inlet and a fourth outlet(64), and a sub air supply path(5) branched from the main air supply path and having a fifth outlet formed in parallel to the exhaust duct.
Patent KR-20090021606-A (KR)
Title: Centralized humidification system
Inventor: JUNG JUN HWAN
IPC: F24F3/14
Filed: 2007-08-27
Abstract: A centralized humidification system is provided to control a plurality of humidifiers connected to communications network through a single device centrally and supply water automatically to a water tub equipped inside the humidifier. A centralized humidification system comprises built-in booths, a humidifier, a clean water device and a central control device. One or more built-in booths(110) provide the interface of an electric signal and water supply. A humidifier(100) is provided with the water and changes the water into the moisture. A clean water device(130) purifies the water supplied from outside. A central control device(140) controls the humidifier and controls the humidity.
Patent KR-20070100202-A (KR)
Title: Apparatus for recording data on an optical recording medium
Inventor: AHN YONG JIN
IPC: G11B7/004
Filed: 2007-08-27
Abstract: An apparatus for recording data on an optical recording medium is provided to improve the shape of marks distorted due to heat interruption or heat accumulation between marks by using recording waveforms having an erasing pattern. An apparatus for recording data on an optical recording medium comprises a recording waveform forming unit and a pickup unit. The recording waveform forming unit generates recording waveforms having a recording pattern and an erasing pattern. Both recording pattern and erasing pattern include a first pulse and a multi pulse. The pickup unit scans lights to the optical recording medium according to recording waveforms to form marks or spaces. The multi pulse of the erasing pattern has a high level and a low level. A power level of the first pulse of the erasing pattern is used for the high level or the low level of the multi pulse. The power level in an area between the end of the erasing pattern and the start point of the first pulse of the recording pattern is used for the high level or the low level of the multi pulse.
Patent KR-20090021733-A (KR)
Title: Plasma display panel and method for manufacturing the same
Inventor: HONG GUN YOUNG
IPC: H01J17/49
Filed: 2007-08-28
Abstract: A plasma display panel and a manufacturing method thereof are provided to prevent loss of a white light by using CEP(Contrast-Enhanced Phosphor). A plasma display panel includes a first panel and a second panel. The first panel is faced with the second panel. A partition wall is positioned between the first panel and the second panel. A bus electrode of the second panel has a complementary color of a color of the first panel. The color of the first panel is determined by a phosphor of a discharge cell of the first panel. A CEP is included in the discharge cell of the first panel. The CEP includes fluorescent material(53) and pigment(56). The pigment is included on a surface of the fluorescent material.
Patent KR-20090022320-A (KR)
Title: Brush for flat type vibration motor
Inventor: KIM SANG JIN
IPC: H02K13/00
Filed: 2007-08-30
Abstract: A brush of flat type vibration motor capable of stably supplying current to coil of rotor is provided to prevent deformation due to impact by forming an embossing unit for reinforcing strength in a stress concentration part. One end of a brush(160) is contacted in a substrate. The other end of the brush is contacted in a rotor. The brush comprises a horizontal contact part(161), a bending part(163), an embossing part(165), an extension part(167), and a curved contact part(169). The horizontal contact part is parallel contacted in the substrate. The bending part is bent toward the rotor from one end of the horizontal contact part. The embossing part is formed in an end of the bending part. The extension part is extended toward the rotor from the end of the embossing part. The curved contact part is extended into an arc shape from the end of the extension part, and is contacted in the rotor.
Patent KR-20080108885-A (KR)
Title: Semiconductor package module using anodized oxide layer and manufacturing method thereof
Inventor: KWON YOUNG SE
IPC: H01L23/12
Filed: 2007-09-18
Abstract: A semiconductor package module and a manufacturing method thereof are provided to effectively connect the semiconductor device, the optical device, and the circuitry by extending and forming the lead line up to girth of the organic insulating layer or the oxide layer. A semiconductor device module using the anodized film comprises the substrate(10), the oxide layer(12), the semiconductor device(16), the organic layer, and the lead line(26). The substrate is formed of the material forming the anodized film. The oxide layer is formed on the top of the substrate. The oxide layer has one or more opening(14). The semiconductor device is mounted in the opening of the oxide layer. The organic layer is formed in order to cover the oxide layer and the semiconductor device. The lead line is formed on the organic layer or the oxide layer. The lead line is connected to the semiconductor device.
Patent KR-20080028287-A (KR)
Title: Remote control transmitter which is capable of controlling a plurality of light fittings without the need for a slidable switch
Inventor: OKIMURA KATSUYUKI
IPC: H05B37/02
Filed: 2007-09-18
Abstract: A remote control transmitter capable of controlling a plurality of light fittings without a slidable switch is provided to set channels on the basis of a period of time while pressing an operation button or a setting button, thereby switching the channels without a switch necessary for slidable operation. A memory(10) stores data indicating plural control signals for each channel corresponding to light fittings respectively. A measurer(7) calculates a period of time during which an operation button(6) is pressed on the basis of a detected event which begins when the operation button is pressed and ends when the operation button is released and outputs a signal indicating the calculated period of time as a measured period of time. A transmitter(9) outputs a control signal on the basis of the data stored in the memory. A controller(8) sets one of the channels on the basis of the signal outputted from the measurer and controls the transmitter to output a control signal on the basis of the data stored in the memory in relation to the set channel.
Patent KR-20090033728-A (KR)
Title: Method and apparatus for providing content summary information
Inventor: CHO SANG WOOK
IPC: G06Q50/00
Filed: 2007-10-01
Abstract: A method and an apparatus for providing content summary information are provided to display content summary information related to at least one keyword that a user selects, thereby effectively obtaining contents that the user wants. Keywords are selected among keywords extracted from a plurality of content summary information(S610). The selected keywords are displayed(S620). Content summary information related to at least one keyword that the user selects among the displays keywords is displayed(S630). Predetermined standards are preference information about the content of a preset user.
Patent KR-20090036390-A (KR)
Title: Steering angle sensor for detecting position of steering wheel
Inventor: LEE HYUN GUK
IPC: B62D15/00
Filed: 2007-10-09
Abstract: A steering angle sensor for steering wheel position detection is provided to fabricate the steering angle sensor easily by sensing the location of steering wheel according to the oscillating pattern and size of the charge quantity. A steering angle sensor for steering wheel position detection comprises a dielectric substance plate(333) in which two or more first dielectric materials in which the dielectric constant is different are formed, an indicator(332) in which the second dielectric material is formed, a quantity of electric charge detecting unit(334) catching the change of the charge quantity, and a position signal determining unit(335) which determines the position signal showing the location of the steering wheel and outputted.
Patent KR-20080034778-A (KR)
Title: Liquid droplet discharging apparatus, method for manufacturing electro-optical apparatus, electro-optical apparatus and electronic device
Inventor: KOJIMA KENJI
IPC: G02F1/13
Filed: 2007-10-10
Abstract: An LC(Liquid Crystal) droplet discharging apparatus, a method for manufacturing an electro-optical apparatus, an electro-optical apparatus and an electronic device are provided to prevent tact time of work processing from becoming longer even when performing a droplet discharging performance test of a function LC droplet discharging head. An LC droplet discharging apparatus(1) has a maintenance apparatus(5) comprising a flushing unit(14), an ejector unit(15), a wiping unit(16), and a droplet discharging performance test unit(18). The droplet discharge performance test unit has a plotted unit(161) for plotting a test pattern by a function LC droplet discharging head, and tests a droplet discharging performance by recognizing an image of the test pattern. A work alignment unit performs alignment of work by moving a set table(21) to an alignment location(41). A table moving unit comprises an X axis first slider and an X axis common support base(24), and moves the set table between a plotting area and the alignment location. A unit moving unit moves the plotted unit between a shelter location and a test location. A controller controls each unit to perform the alignment processing and test processing. The plotted unit comprises a plotting sheet(171), a test stage, a sheet transfer unit, a sheet transfer support unit, a unit base, and a vacuum sensor. Therefore, the droplet discharge performance test unit tests whether function liquid is properly discharged from all function LC droplet discharging heads mounted in a head unit(13).
Patent KR-20090038131-A (KR)
Title: Sinter bonding agent for sintering steel manufacture using saprophytic binder and method threrof
Inventor: LEE JUN CHANG
IPC: C22B1/16
Filed: 2007-10-15
Abstract: A sinter bonding agent for sintering steel manufacture and a manufacturing method thereof are provided to reduce time to melt iron and cut down cost by using a sinter bonding agent which is extrusion-molded. A manufacturing method of a sinter bonding agent for sintering steel manufacture comprises: a step(S1) injecting process byproduct and pulp sludge in a material mixer; a step(S2) mixing the pulp sludge and sintering by-product, which are injected, with a pan mixer; a step(S3) extrusion-molding the mixed material; a step(S4) cutting the extrusion-molded material; and a step(S5) drying the cut sinter agent.
Patent KR-20090039993-A (KR)
Title: A roof welding system for body
Inventor: CHOI JAE HO
IPC: B23K37/02
Filed: 2007-10-19
Abstract: A loop welding system for a car body is provided to reduce a whole welding process by progressing the brushing for a loop assembly, and the arc and spot welding process together. A loop welding system for a car body comprises: a robot platform(5) located in both sides of a carriage car(3) for transferring a car body(1); a mainframe(7) located on the top by connecting the either side robot platform; a side clamping device(11) pressurizing a side panel(10) of the car body to the inner side; an arc welding robot(17) arc welding the junction of a roof rail(30) and the side panel; a laser brazing welding robot welding the junction of the loop(20) and the side panel; a brushing robot removing the dust of a laser brazing welding unit of the side panel and the loop; a jig robot(33) pressurizing the loop to the side panel by using a pressure jig(35) per each car model; a jig holder(39) keeping the pressure jig per s car model; and a front back spot welding robot for welding the loop and a loop rail.
Patent KR-20090043163-A (KR)
Inventor: CHO DEOK EUN
IPC: H04N5/235
Filed: 2007-10-29
Abstract: 본 발명은, 렌즈부를 구비한 촬상 장치에 있어서, 상기 렌즈부의 전방에 배치되고 확산판을 포함하여 이루어지는 렌즈캡;과, 상기 렌즈부로부터 영상광을 받아 결상시키는 촬상 소자;와, 상기 렌즈캡을 닫은 상태에서 촬영한 촬영 데이터를 이용함으로써, 화이트 밸런스의 값을 조정하는 화이트 밸런스 조정부;를 포함하는 촬상 장치를 제공한다. 
       
     촬상 장치, 화이트 밸런스
Patent KR-20090045537-A (KR)
Inventor: BOK KI SO
IPC: H04N5/74
Filed: 2007-11-02
Abstract: 본 발명은 종래에 분리된 멀티미디어 재생 장치와 프로젝터를 통합함으로써 불필요한 장치들을 제거하여 부품 수와 부피를 줄일 수 있는 프로젝터에 관한 것이다.
Patent KR-20090049335-A (KR)
Inventor: SONG SUL SEOB
IPC: F16K17/00
Filed: 2007-11-13
Abstract: 본 발명은 고압으로 유입되는 원수의 압력 및 유량을 적절하게 감압하거나 조절하도록 한 감압 및 유량조절 밸브에 관한 것으로서, 격막의 중심부와 유동축이 일체로 연동되면서 별도의 유로전환부재에 의해 유로의 방향을 전환하여 유입되는  
     고압의 원수를 감압시키고 일정한 유량으로 조절하도록, 하부몸체의 측면에 유입구와 출수구가 형성되도록 하고, 상부에 유동축을 삽입하고 있는 유로전환부재를 상기 하부몸체의 하부로 삽입하되, 상기 유로전환부재의 상단 둘레에 형성된 유로전환 호형판이 유입구와 출수구의 사이에 위치하도록 하며, 상기 하부몸체의 상부로 격막과 스프링 및 상부몸체 등을 차례로 연결하되 상기 격막의 중심부로 삽입되는 유동축의 상단부가 상기 격막의 상부로 돌출되도록 한다. 이와 같은 구성에 의해 유로전환부재의 회전에 따른 출수구의 개폐에 의해 유입구로 유입되는 고압 또는 저압의 원수의 유로방향이 상기 유입구와 출수구의 직접 및 간접 연결로 각각 전환되면서 유량 감소를 줄이거나 원수의 압력을 낮추거나 또는 상기 출수구의 하단부에 형성된 출수량 조절구를 통해 삽입된 출수량 조절부재에 의해 출수구로 배출되는 유량을 적절하게 조절하도록 한 감압 및 유량조절 밸브에 관한 것이다.
Patent KR-20080044185-A (KR)
Title: Frame system for article storage
Inventor: YOSHIDA MITSURU
IPC: B65G1/00
Filed: 2007-11-14
Abstract: A frame system for an article storage is provided to adopt various kinds of installation methods without problems of a connecting structure of frames. A frame system for an article storage includes an upper frame(11), a lower frame(12), and a plurality of connection frames(13). The upper and lower frames are horizontally installed. The connection frames connect the upper and lower frames and are vertically installed. The connecting frames are connected to the upper frame in a state connected to a lower surface of the upper frame and are connected to the lower frame in a state connected to an upper surface of the lower frame. A plurality of inserting holes(27) are formed on the upper frame. A plurality of elongate supports(10) vertically pass through the inserting holes to support the lower frame.
Patent KR-20090049876-A (KR)
Inventor: AHN WON DUG
IPC: H04M15/00
Filed: 2007-11-14
Abstract: 발신자는 수신자 부담 식별 번호 (예를 들어 *#1234)와 상대방 번호를 입력하게 되고, 수신자의 통신 단말기에 발신자의 통화목적의 알림 메시지와 수신자 요금 부담을 선택할 수 있는 수신자 요금 부담 선택 안내 메시지와 전화 벨소리 또는 진동이 전달된다. 
     또한 발신인이 상대방 번호만 입력하는 일반적인 통화를 시도하여 수신자와 통화가 연결된 경우에도 수신자는 통화 중에 수신자 부담 식별 번호를 입력하여 과금 주체 변경을 신청한다. 
       
     통화, 과금 주체 변경
Patent KR-20090050353-A (KR)
Inventor: HYUN CHOONG HEON
IPC: B60H1/00
Filed: 2007-11-15
Abstract: 본 발명은 버스의 쿨링팬 작동 제어방법에 관한 것으로, 
     종래에는 쿨링팬 클러치의 클러치 작동로직의 입력값이 냉각수 온도뿐이었기 때문에 냉각수 온도가 설정온도 이상시 쿨링팬 클러치가 작동하여 쿨링팬 회전수가 높아지게 되고,  그에 따라 소모동력 및 팬소음이 증가하게 됨은 물론 차량 연비 악화를 초래하게 되는 문제가 있었던 바, 
     냉각수 온도를 센싱하여 그 센싱 냉각수 온도(Cool_Temp.value)가 쿨링팬 작동개시 온도(TRG_TEMP)보다 낮은가를 판단하는 제1단계; 상기 제1단계에서 센싱 냉각수 온도가 쿨링팬 작동개시 온도보다 낮으면 차량속도(VEH_SPEED)가 이전 TRS 시점의 차량속도(VEH_SPEED_old)보다 빠른가를 판단하는 제2단계; 상기 제2단계에서 차량속도가 이전 TRS 시점의 차량속도보다 빠르면 현재 흡입 공기량이 스테디(STEADY) 상태에서 맵핑된 공기량에 비하여 적은가를 판단하는 제3단계;를 수행한 후 상기 제3단계에서 현재 흡입 공기량이 스테디 상태에서 맵핑된 공기량에 비해 적으면 센싱 냉각수 온도에서 목표 냉각수 온도(FCC_COOL_TEMP_APV)를 뺀 에러값(Error)을 산출하고, 비례적분제어기(PI CONTROLLER)를 작동하여 최소 팬클러치 작동회전수(FCC_TRG_MIN_SPEED_APV)와 최대 팬클러치 작동회전수(FCC_TRG_MAX_SPEED_APV) 사이에서 팬클러치 구동 PWM 시그널(FCC_PMW_spd)을 제어하는 것과,  
     상기 제1단계에서 센싱 냉각수 온도가 쿨링팬 작동개시 온도보다 낮지 않거 나 상기 제2단계에서 차량속도가 이전 TRS 시점의 차량속도보다 빠르지 않거나 상기 제3단계에서 현재 흡입 공기량이 스테디 상태에서 맵핑된 공기량에 비해 많으면 센싱 냉각수 온도가 최종 제한온도인 냉각수 과열 발생 가능온도(TRG_TEMP_MAX)보다 낮은가를 판단하는 제4단계;를 수행한 후 상기 제4단계에서 센싱 냉각수 온도가 최종 제한온도인 냉각수 과열 발생 가능온도(TRG_TEMP_MAX)보다 낮으면 센싱 냉각수 온도에서 목표 냉각수 온도(FCC_COOL_TEMP_APV)을 뺀 에러값(Error)을 산출하고, 비례적분제어기(PI CONTROLLER)를 작동하여 최소 팬클러치 작동회전수(FCC_TRG_MIN_SPEED_APV)와 최대 팬클러치 작동회전수(FCC_TRG_MAX_SPEED_APV) 사이에서 팬클러치 구동 PWM 시그널(FCC_PMW_spd)을 제어하는 것을 특징으로 하는 본 발명에 의하면 차량 가속시 쿨링팬의 작동을 최소화하여 소모동력과 가속소음을 줄일 수 있게 되고, 차량 연비를 개선할 수 있게 되는 등의 효과를 얻을 수 있게 된다. 
       
     쿨링팬, 냉각수 온도, 차속, 흡입 공기량
Patent KR-20090051289-A (KR)
Inventor: LEE JANG HYUK
IPC: G06Q20/16
Filed: 2007-11-19
Abstract: 본 발명은 복수개의 통신매체와 연결 가능하고, 카드리더를 구비한 VoIP 단말을 통해, 통신망 상의 인터넷 예약/예매 서버로부터 상기 VoIP 단말에 대응하는 VoIP 전화번호와 결제금액 정보와 가맹점 정보를 포함하는 결제 정보를 수신하면, 상기 VoIP 단말에서 연결 가능한 복수개의 통신매체 중 제1 통신매체를 통해 상기 VoIP 단말로 상기 결제 정보를 전송하는 단계와, 상기 VoIP 단말에서 상기 카드리더를 통해 고객카드로부터 카드정보를 리딩하고, 상기 리딩된 카드정보와 상기 제1 통신매체를 통해 수신한 결제 정보를 포함하는 결제요청 정보를 생성하여 상기 VoIP 단말에서 연결 가능한 복수개의 통신매체 중 제2 통신매체를 통해 전송하면, 상기 제2 통신매체를 포함하는 통신망을 통해 상기 결제요청 정보를 수신하는 단계와, 밴(VAN) 서버로 상기 결제요청 정보에 포함된 결제 정보와 카드정보를 전송하여 카드결제가 처리되도록 하고, 상기 인터넷 예약/예매 서버에서 전자티켓 정보를 VoIP단말로 전송하는 단계를 포함한다.  
       
     브이오아이피, 단말, 온라인, 티켓, 예약(또는 예매)
Patent KR-20090052751-A (KR)
Inventor: HWANG SEONG TAEK
IPC: H04B7/26
Filed: 2007-11-21
Abstract: 본 발명은 유선 중계국(RS: Relay Station)을 활용한 셀룰러 시스템에서의 무선 자원 관리 방법에 있어서, 기지국(BS : Base Station)을 중심으로 해당 셀 내의 각 중계국(Remote Station : RS)을 통해 이동단말(MS : Mobile Station)의 채널상태정보(Channel State Information : CSI)를 수신하는 과정과, 상기 수신된 CSI를 통해 채널 이득이 우수한 적어도 하나 이상의 부채널을 선별하고, 상기 선별된 각 부채널별 해당 RS를 채널별 서비스 영역으로 결정하고, 상기 서비스 영역을 통해 서비스 요청을 수신하는 과정과, 상기 서비스 요청 시 사용자 큐(Queue)에 저장된 정보를 기준으로 우선순위를 부여하고, 해당 사용자 큐는 상기 CSI를 기반으로 채널 이득이 우수한 부채널별 해당 스케줄러에 억세스(access)하는 과정과, 상기 억세스 후, 동일 채널별 사용자 그룹을 형성하고, 상기 형성된 그룹에 미리 설정된 전력 제어 알고리즘을 적용하여 공동 전력 제어를 수행하는 과정을 포함한다.  
     
            RS, 스케줄링, 부채널
Patent KR-20080050327-A (KR)
Title: Silicon wafer and method for manufacturing the same
Inventor: NAKAI KATSUHIKO
IPC: H01L21/20
Filed: 2007-11-29
Abstract: A silicon wafer and a method for manufacturing the same are provided to restrain the generation of slip dislocation and warpage during a device manufacturing process by forming a bulk micro defect with a high density. A silicon wafer has a BMD(Bulk Micro Defect) of an octahedron shape. A diagonal length of the BMD is in the range of 10 nm to 50 nm, and a density of the BMD is 5X10^11/cm over, existing on a position that is spaced away from a surface of a silicon wafer by 50 mum over. A diagonal length of the BMD is over 300 nm, and a density of the BMD is 1X10^7/cm below, existing on a position that is spaced away from the surface of a silicon wafer by 50 mum over. An interstitial oxygen concentration is below 5X10^17 atm/cm. A heat treatment is performed on the silicon wafer. The heat treatment includes a low temperature heat treatment process that is performed under 600 to 750 °C during 30 minutes to 10 hours, a temperature rising process that is performed at a temperature rising speed of 0.1 °C/minute to 1 °C/minute during 5 hours to 50 hours, and a high-temperature heat treatment process that is performed under 1000 to 1250 °C in order to make a diffusion length of an interstitial oxygen have 30 mum to 50 mum.
Patent KR-20090057843-A (KR)
Title: Novel crystalline forms of (1r,5r,6s)-p-nitrobenzyl-2-diphenylphosphoryloxy)-6-[(r)-1-hydroxyethyl]-1-methyl-carbapenem-3-carboxylate and method for preparing same
Inventor: KIM KWANG JOO
IPC: C07F9/06
Filed: 2007-12-03
Abstract: A method for producing a crystalline of MAP is provided to perform drowning-out crystallization using good solvent and anti-solvent and obtain a crystalline II, crystalline III or amorphous-containing crystalline of MAP. A crystalline II of MAP (chemical formula 1) has 2theta diffraction angle of 5,680, 6.980, 10.240, 10.620, 11.160, 15.020, 15.500, 16.720, 20.200, 20.720, 21.260, 22.200, 22.660, 25.060, 25.640, 26.020, 26.380, 28.000, 29.980, 31.060, 35.400, 36.800, 39.420, 45.260, 45.800 and 49.040 in X-ray powder diffraction analysis. A method for producing the crystalline II of MAP comprises: a step of resolving MAP of crystalline I in ethylacetate, actone or asopropylalcohol; and a step of cooling at 0.1-30K/minute. The weight ratio of MAP and ethylacetate, actone or asopropylalcohol is 1:2-12.
Patent KR-20090059177-A (KR)
Title: A surface heating element hot blast heater
Inventor: LEE SUNG SU
IPC: H05B3/20
Filed: 2007-12-06
Abstract: A surface heating element for hot blast heater is provided to perform heat exchange from an air by increase a surface area of a heating element. A plurality of heating elements(10A) are made as a shape of a wave consisting of a plurality of concave parts(11) and convex part(12) respectively. A ground plate is arranged at the top and bottom of a plurality of heating elements in order to supply the electrical energy, and a plurality of heating elements are connected with each other. The heat exchange with the air is performed through a groove between heating elements. The heating element is one among a copper plate, a stainless steel plate, a nickel chrome plate, and an aluminum plate. The heating plate is arranged between the heating elements, and the upper portion and bottom of the heating plate are connected to the ground plate.
Patent KR-20090064737-A (KR)
Inventor: KIM SEA KYOUNG
IPC: G06F3/039
Filed: 2007-12-17
Abstract: An old cover is provided to prevent the deformation of a previous cover even though the cover has been used for a long time. A switch is installed at an upper portion of a keyboard case to enable the convenient internal mounting of a cover. Therefore, the cover is inserted into a keyboard easily when the keyboard is opened. As the cover can be inserted into the keyboard, the deformation of the keyboard can be prevented.